3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = array( "Sample" => array( "context" => "Comment appelle-t-on un petit morceau de pain long et fin que l'on trempe dans un \u0153uf \u00e0 la coque?" ) ); $encoded = json_encode($json); var_dump($encoded); $unescaped = preg_replace_callback('/\\\u(w{4})/', function ($matches) { return html_entity_decode('&#x' . $matches[1] . ';', ENT_COMPAT, 'UTF-8'); }, $encoded); var_dump($unescaped);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00316.75
8.3.50.0110.01122.98
8.3.40.0120.00318.54
8.3.30.0110.00718.82
8.3.20.0000.00720.39
8.3.10.0040.00423.53
8.3.00.0050.00317.63
8.2.180.0070.00716.50
8.2.170.0120.00322.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0020.00526.16
8.2.120.0040.00420.86
8.2.110.0060.00322.14
8.2.100.0040.00817.91
8.2.90.0000.00819.05
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0080.00417.91
8.2.50.0090.00018.07
8.2.40.0040.00418.05
8.2.30.0040.00418.06
8.2.20.0060.00317.90
8.2.10.0000.00718.16
8.2.00.0040.00417.79
8.1.280.0150.00025.92
8.1.270.0030.00623.95
8.1.260.0050.00226.35
8.1.250.0030.00628.09
8.1.240.0030.00623.84
8.1.230.0060.00618.91
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0080.00317.35
8.1.190.0030.00517.25
8.1.180.0030.00618.10
8.1.170.0000.00818.62
8.1.160.0000.00722.00
8.1.150.0000.00818.93
8.1.140.0080.00017.56
8.1.130.0030.00317.97
8.1.120.0040.00417.53
8.1.110.0040.00417.50
8.1.100.0040.00417.65
8.1.90.0030.00517.55
8.1.80.0040.00417.62
8.1.70.0030.00617.57
8.1.60.0030.00617.74
8.1.50.0050.00317.67
8.1.40.0000.00717.68
8.1.30.0040.00417.68
8.1.20.0040.00417.80
8.1.10.0000.00817.63
8.1.00.0040.00417.54
8.0.300.0000.00718.77
8.0.290.0030.00716.88
8.0.280.0050.00218.36
8.0.270.0070.00017.22
8.0.260.0030.00317.15
8.0.250.0000.00817.11
8.0.240.0000.01016.91
8.0.230.0000.00716.89
8.0.220.0030.00316.96
8.0.210.0070.00016.99
8.0.200.0040.00417.10
8.0.190.0030.00317.06
8.0.180.0000.00716.96
8.0.170.0050.00217.02
8.0.160.0040.00416.92
8.0.150.0040.00416.98
8.0.140.0040.00417.06
8.0.130.0030.00313.40
8.0.120.0050.00317.04
8.0.110.0050.00316.93
8.0.100.0000.00716.93
8.0.90.0000.00716.99
8.0.80.0090.01216.98
8.0.70.0030.00516.91
8.0.60.0040.00416.89
8.0.50.0030.00517.13
8.0.30.0080.01117.25
8.0.20.0110.00917.40
8.0.10.0070.00017.02
8.0.00.0100.00817.07
7.4.330.0000.00515.17
7.4.320.0060.00016.70
7.4.300.0000.00616.86
7.4.290.0000.00716.86
7.4.280.0000.00816.82
7.4.270.0030.00316.86
7.4.260.0000.00716.87
7.4.250.0040.00416.79
7.4.240.0000.00716.81
7.4.230.0060.00316.56
7.4.220.0100.01416.75
7.4.210.0110.00416.68
7.4.200.0040.00416.92
7.4.160.0120.00316.50
7.4.150.0140.00917.40
7.4.140.0050.01217.86
7.4.130.0060.01216.61
7.4.120.0120.00416.67
7.4.110.0140.01016.72
7.4.100.0070.01016.84
7.4.90.0090.00916.78
7.4.80.0140.00419.39
7.4.70.0110.00716.64
7.4.60.0100.00816.78
7.4.50.0000.00416.71
7.4.40.0000.01616.63
7.4.30.0100.00716.54
7.4.00.0070.01115.19
7.3.330.0030.00313.36
7.3.320.0030.00313.40
7.3.310.0030.00316.38
7.3.300.0030.00316.36
7.3.290.0050.01016.41
7.3.280.0090.00816.41
7.3.270.0070.01617.40
7.3.260.0110.00616.36
7.3.240.0080.00816.42
7.3.230.0060.01216.39
7.3.210.0120.00916.61
7.3.200.0070.01619.39
7.3.190.0090.00816.33
7.3.180.0110.00616.82
7.3.170.0100.00716.46
7.3.160.0090.00716.78
7.2.330.0060.01216.65
7.2.320.0100.01416.69
7.2.310.0040.01516.70
7.2.300.0060.00916.62
7.2.290.0090.01516.85
7.2.00.0110.00719.69
7.1.100.0040.01118.16
7.1.70.0030.01217.22
7.1.60.0000.02419.40
7.1.50.0200.01334.74
7.1.00.0000.08022.45
7.0.200.0000.00816.62
7.0.140.0070.07022.00
7.0.90.0600.05019.86
7.0.80.0570.08319.86
7.0.70.0570.08319.81
7.0.60.0570.08319.81
7.0.50.0470.04720.26
7.0.40.0130.07320.08
7.0.30.0130.07320.09
7.0.20.0100.07720.13
7.0.10.0130.07720.11
7.0.00.0030.08320.02
5.6.280.0100.06720.90
5.6.240.0130.08320.53
5.6.230.0100.06720.52
5.6.220.0070.08020.63
5.6.210.0100.07720.63
5.6.200.0100.07021.05
5.6.190.0100.08021.04
5.6.180.0100.07021.05
5.6.170.0070.06021.08
5.6.160.0030.06021.14
5.6.150.0100.06721.02
5.6.140.0030.06321.17
5.6.130.0000.08720.96
5.6.120.0070.06020.95
5.6.110.0030.05320.94
5.6.100.0030.09020.93
5.6.90.0100.07720.91
5.6.80.0000.08020.41
5.6.70.0070.05720.38
5.6.60.0200.03320.39
5.6.50.0100.07020.49
5.6.40.0100.04720.38
5.6.30.0170.07020.40
5.6.20.0070.06020.43
5.6.10.0170.03720.37
5.6.00.0100.04320.36
5.5.380.0130.07020.33
5.5.370.0100.04020.31
5.5.360.0070.05020.48
5.5.350.0030.09020.34
5.5.340.0230.07320.91
5.5.330.0070.08320.93
5.5.320.0030.08720.80
5.5.310.0130.04320.87
5.5.300.0100.04720.76
5.5.290.0130.03720.79
5.5.280.0000.09320.93
5.5.270.0100.07020.59
5.5.260.0030.07720.91
5.5.250.0200.07320.73
5.5.240.0070.07320.25
5.5.230.0130.04320.21
5.5.220.0100.08020.12
5.5.210.0070.07720.32
5.5.200.0070.08320.16
5.5.190.0100.07020.15
5.5.180.0000.05020.13
5.5.160.0070.08020.27
5.5.150.0030.08320.17
5.5.140.0030.08320.23
5.5.130.0030.07720.14
5.5.120.0070.08020.26
5.5.110.0100.05020.24
5.5.100.0130.05320.08
5.5.90.0070.07720.13
5.5.80.0100.04720.07
5.5.70.0030.06020.15
5.5.60.0100.07320.10
5.5.50.0070.04320.16
5.5.40.0100.07720.05
5.5.30.0200.05320.05
5.5.20.0130.04320.14
5.5.10.0130.06320.07
5.5.00.0100.04719.92
5.4.450.0070.08019.42
5.4.440.0100.08319.46
5.4.430.0070.07319.45
5.4.420.0100.04719.50
5.4.410.0100.04719.35
5.4.400.0070.08019.18
5.4.390.0070.07319.18
5.4.380.0100.06719.13
5.4.370.0100.07719.13
5.4.360.0170.06318.85
5.4.350.0030.07719.03
5.4.340.0130.07319.09
5.4.320.0000.05019.18
5.4.310.0130.06718.95
5.4.300.0200.06319.15
5.4.290.0030.07718.81
5.4.280.0100.06019.12
5.4.270.0100.07718.89
5.4.260.0070.07719.04
5.4.250.0070.07319.04
5.4.240.0130.07019.11
5.4.230.0130.03719.04
5.4.220.0070.07019.02
5.4.210.0130.06719.17
5.4.200.0070.07319.12
5.4.190.0070.07319.11
5.4.180.0030.08019.12
5.4.170.0070.04719.15
5.4.160.0070.05019.18
5.4.150.0100.04318.92
5.4.140.0030.04316.30
5.4.130.0000.04716.36
5.4.120.0100.07016.38
5.4.110.0170.06716.44
5.4.100.0170.06716.32
5.4.90.0000.05016.48
5.4.80.0100.07316.38
5.4.70.0100.06316.45
5.4.60.0130.06316.24
5.4.50.0030.05016.47
5.4.40.0030.05016.46
5.4.30.0100.07316.30
5.4.20.0030.07016.40
5.4.10.0100.06716.24
5.4.00.0070.06015.81
5.3.290.0130.07014.68
5.3.280.0100.07714.66
5.3.270.0100.06314.75
5.3.260.0030.08314.64
5.3.250.0070.07714.57
5.3.240.0030.07014.66
5.3.230.0070.07314.71
5.3.220.0070.06714.54
5.3.210.0030.05314.55
5.3.200.0030.08314.70
5.3.190.0130.07014.68
5.3.180.0000.08014.52
5.3.170.0030.08014.53
5.3.160.0170.04314.52
5.3.150.0030.07314.53
5.3.140.0030.07714.48
5.3.130.0070.07714.68
5.3.120.0070.07714.50
5.3.110.0000.09014.61
5.3.100.0070.05714.09
5.3.90.0030.04314.12
5.3.80.0130.06314.01
5.3.70.0070.07314.02
5.3.60.0030.06014.05
5.3.50.0070.07013.87
5.3.40.0070.07014.04
5.3.30.0070.05713.97
5.3.20.0070.05313.58
5.3.10.0070.07013.71
5.3.00.0070.06313.57
5.2.170.0070.06311.09
5.2.160.0100.05311.10
5.2.150.0000.07010.99
5.2.140.0070.05011.00
5.2.130.0070.05711.04
5.2.120.0100.05311.09
5.2.110.0030.03711.12
5.2.100.0000.03310.93
5.2.90.0000.06311.12
5.2.80.0000.04011.09
5.2.70.0000.04011.09
5.2.60.0100.05711.01
5.2.50.0070.04310.97
5.2.40.0030.03711.06
5.2.30.0070.03310.88
5.2.20.0030.06010.96
5.2.10.0030.06010.76
5.2.00.0100.05710.76
5.1.60.0100.05010.05
5.1.50.0070.0509.98
5.1.40.0030.0379.86
5.1.30.0070.02710.20
5.1.20.0170.04010.27
5.1.10.0030.03010.13
5.1.00.0030.04310.06
5.0.50.0030.0438.61
5.0.40.0000.0408.48
5.0.30.0070.0508.22
5.0.20.0030.0438.29
5.0.10.0030.0438.22
5.0.00.0030.0478.18
4.4.90.0100.0236.96
4.4.80.0070.0236.96
4.4.70.0000.0336.96
4.4.60.0030.0376.96
4.4.50.0030.0236.96
4.4.40.0000.0536.96
4.4.30.0000.0236.96
4.4.20.0070.0336.96
4.4.10.0000.0276.96
4.4.00.0030.0576.96
4.3.110.0030.0336.96
4.3.100.0030.0306.96
4.3.90.0100.0276.96
4.3.80.0030.0506.96
4.3.70.0000.0306.96
4.3.60.0030.0306.96
4.3.50.0000.0376.96
4.3.40.0030.0536.96
4.3.30.0000.0376.96
4.3.20.0000.0406.96
4.3.10.0000.0336.96
4.3.00.0030.0336.96

preferences:
39.58 ms | 401 KiB | 5 Q